제출 #601927

#제출 시각아이디문제언어결과실행 시간메모리
601927SeDunion사탕 분배 (IOI21_candies)C++17
0 / 100
5088 ms11164 KiB
#include "candies.h" #include<algorithm> #include<iostream> #include <vector> using namespace std; using vi = vector<int>; vector<int>vec; const int inf = 1e9; int gmn(int l, int r) { int ret = inf; for (int i = l ; i <= r ; ++ i) ret = min(ret, vec[i]); return ret; } int gmx(int l, int r) { int ret = -inf; for (int i = l ; i <= r ; ++ i) ret = max(ret, vec[i]); return ret; } vi distribute_candies(vi c, vi l, vi r, vi v) { int n = c.size(); int q = l.size(); vector<int>ans; for (int i = 0 ; i < n ; ++ i) { vec = {inf, 0}; for (int j = 0 ; j < q ; ++ j) { if (l[j] <= i && i <= r[j]) { vec.emplace_back(vec.back() + v[j]); } } int m = (int)vec.size() - 1; int l = 0, r = m; while (l < r) { int k = (l + r + 1) >> 1; int mx = gmx(k, m), mn = gmn(k, m); if (mx - mn >= c[i]) { l = k; } else { r = k - 1; } } int s; if (gmx(l, m) == gmx(l + 1, m)) s = gmx(l + 1, m) - c[i]; else s = gmn(l + 1, m); ans.emplace_back(vec.back() - s); } return ans; }
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